# -*- coding: utf-8 -*-
"""
Created on Mon Apr 12 13:45:33 2021

@author: hiszm
"""

def add (a, b):
    print ("ADDING %d + %d" % (a, b))
    return a + b

def subtract (a, b):
    print ("SUBTRACTING %d - %d" % (a, b))
    return a - b
    
def multiply (a, b):
    print ("MULTIPLYING %d * %d" % (a, b))
    return a * b
    
def divide (a, b):
    print ("DIVIDING %d / %d" % (a, b))
    return a / b
    
print ("Let's do some math with just functions!")

age = add (30, 5)
height = subtract (78, 4)
weight = multiply (90, 2)
iq = divide (100, 2)

print ("Age: %d, Height: %d, Weght: %d, IQ: %d" % (age, height, weight, iq))

# A puzzle for the extra credit, type it in anyway.
print ("Here is a puzzle.")

what = add (age, subtract(height, multiply(weight, divide(iq, 2))))

print ("That becomes: ", what, "Can you do it by hand?")